Home / 358,078.20-494,158.29-196,943.64

Finding the Fourth Proportional to 358,078.20, 494,158.29 and 196,943.64

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Solution

The fourth proportional to 358,078.20, 494,158.29 and 196,943.64 is: 271,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,078.20 : 494,158.29 = 196,943.64 : x
  2. Step 2: Convert to fraction form
    358,078.20/494,158.29 = 196,943.64/x
  3. Step 3: Cross multiply
    358,078.20x = 494,158.29 × 196,943.64
  4. Step 4: Simplify right side
    358,078.20x = 97,321,332,368.78
  5. Step 5: Solve for x
    x = 97,321,332,368.78/358,078.20
  6. Step 6: Final answer
    x = 271,787.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.